Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. John Tessarzik, PHARMD

Pharmacist in Richmond, VA · enumerated 2011.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1619244506

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Registry record

Entity type Individual (Type 1)

Name Dr. John Tessarzik

Credential PHARMD

Sex Male

Practice address 8903 Three Chopt Rd, Richmond, VA, 23229

Phone (804) 285-3428

Fax (804) 285-3617

Enumeration date Nov 21, 2011

Last updated in NPPES Feb 26, 2014

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers · License 0202210644 (VA) Primary

PHARMD · Doctor of Pharmacy: A licensed pharmacist with a professional doctorate in pharmacy. About the PHARMD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is John Tessarzik?

John Tessarzik is registered in NPPES with the primary taxonomy of Pharmacist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-02-26.